1. Key Lab of Heat Transfer Enhancement and Energy Conservation of Ministry of Education School of Chemistry & Chemical Engineering South China University of Technology Guangzhou 510640 P. R. China
2. School of Chemical Engineering The University of Adelaide Adelaide SA 5005 Australia
3. Analytical and Testing Centre South China University of Technology Guangzhou 510640 P. R. China
4. Department of Chemistry and Biochemistry Kent State University Kent OH 44242 USA
5. School of Materials Science and Engineering Tianjin University Tianjin 300072 P. R. China